How to get data from JSON in TCI Flogo

Hi,

is there an activity or a function that allows to retrieve data from a JSON string in TCI Flogo? Is there somewhere an example how to do it? 

What I would like to implement is to receive a message from Kafka. This message is in a JSON format. And I want to use only some fields from this message in a subsequent REST web service call. 

Thanks,

Frantisek

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